There has never been any 30-hour week for men who had anything to do.

I object to people running down the future. I am going to live all the rest of my life there.

The person who doesn't know something can't be done will often find a way to go ahead and do it.

Obsolescence is a factor which says that the new thing I bring you is worth more than the unused value of the old thing.

99 percent of success is built on failure.

We have a lot of people revolutionizing the world because they've never had to present a working model.

Education is man's going forward from cocksure ignorance to thoughtful uncertainty.Where there is an open mind there will always be a frontier.